/Engine/Source/Runtime/ApplicationCore/Public/GenericPlatform/IInputInterface.h
Sets the strength/speed of all the channels for the given controller id. NOTE: Unsupported channels are silently ignored
void SetForceFeedbackChannelValues ( int32 ControllerId, const [FForceFeedbackValues](API\Runtime\ApplicationCore\GenericPlatform\FForceFeedbackValues) & Values )